Pulsed Laser-patterned high-entropy single-atomic sites and alloy coordinated graphene oxide for pH-universal water electrolysis
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
We
introduce
high-entropy
single-atom
catalysts
(HESACs)
from
FeRuPtNiCoPd
HEA
on
GO
via
pulsed
laser
irradiation
in
liquids.
Synergistic
interactions
and
rapid
Fe
2+
photoreduction
enhance
active
sites,
achieving
superior
overall
water
splitting.
Язык: Английский
Construction of CoP/MnP/Cu3P heterojunction for efficient methanol oxidation-assisted seawater splitting
Materials Chemistry Frontiers,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
phosphide
heterojunction
has
been
developed
as
an
efficient
catalyst
toward
methanol-assisted
seawater
splitting
with
good
activity
and
high
durability.
Язык: Английский
Bandgap Engineering on UiO–66 Metal‐Organic Framework Derivatives for Solar‐Driven Seawater Desalination
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 11, 2025
Abstract
The
growing
scarcity
of
freshwater,
driven
by
climate
change
and
pollution,
necessitates
the
development
efficient
sustainable
desalination
technologies.
Solar‐powered
interfacial
water
evaporation
has
emerged
as
a
promising
solution;
however,
its
practical
implementation
is
hindered
limited
availability
stable
photothermal
materials.
Herein,
bandgap
engineering
strategy
via
linker
modification
to
enhance
conversion
capability
metal‐organic
frameworks
(MOFs)
reported
toward
solar‐driven
desalination.
By
systematically
introducing
functional
groups
with
varying
electron‐donating
electron‐withdrawing
abilities,
energy
UiO–66–X
(X
=
─F,
─H,
─OH,
─NH
2
,
─(NH
)
finely
tuned.
Density
theory
(DFT)
calculations
femtosecond
transient
absorption
(fs–TA)
spectroscopy
reveal
that
stronger
narrow
MOFs,
thereby
improving
their
efficiency.
optimized
UiO–66–(NH
material
reaches
peak
surface
temperature
58.7
°C
when
exposed
simulated
sunlight
at
≈1
kW·m
−2
efficiency
86.50%
an
rate
2.34
kg·m
·h
−1
97.40%.
This
study
presents
novel
approach
for
fine‐tuning
in
materials,
offering
pathway
advanced
solar
technologies
address
global
crisis.
Язык: Английский
Wide-area tip-like effect boosting electrocatalytic sulfion oxidation for energy-efficient hydrogen production in seawater electrolysis
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161611 - 161611
Опубликована: Март 1, 2025
Язык: Английский
Refined Protocol for Improving Accuracy and Reliability in Urea Quantification During Electrochemical C─N Coupling Reactions
Small Methods,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Promoted
by
the
growing
demand
for
sustainable
carbon
and
nitrogen
cycling,
electrochemical
C─N
coupling
in
urea
synthesis
has
attracted
intensive
interest.
Urea
quantification
provides
basis
an
in-depth
understanding
of
structure-performance
correlations
iterative
optimization
performance.
However,
current
methods
have
non-negligible
drawbacks,
largely
bringing
about
false
positive
or
negatives
risks.
Herein,
most
accessible
commonly
used
techniques,
namely
diacetylmonoxime-thiosemicarbazide
Urease-based
methods,
are
comprehensively
re-assessed.
The
adverse
impacts
caused
nitrite,
metallic
impurities,
standard
curve
protocol
thoroughly
identified.
Most
importantly,
direct
problem-solving
strategies
proposed
to
rule
out
those
confounding
factors
chemical
pre-reduction,
galvanic
replacement,
refinement
protocol,
respectively.
This
refined
method
can
solidify
reproduction
electrosynthesis
studies
thus
promote
sound
development
this
emerging
field.
Язык: Английский
Visualization of the Key Proton Activities in Hydrogen Evolution Reaction by Electrochromic Catalyst
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
The
electrocatalytic
hydrogen
evolution
reaction
(HER)
is
a
promising
route
to
produce
sustainable
energy
carrier
for
global
carbon
neutrality.
HER
performance
largely
determined
by
the
overall
proton
activities,
but
identification
of
such
key
activities
in
microscopic
process
rather
difficult.
Herein,
study
demonstrates
visualized
concept
integrating
fundamental
with
electrochromic
technology
on
well‐designed
Pt@WO
3
platform
acidic
electrolyte,
where
can
be
rapidly
discriminated
color
changes
electrode.
In
contrast
bare
WO
counterpart,
electrode
displays
more
positive
potential
initial‐coloration
state
and
faster
decoloration
rate
associated
significantly
improved
kinetics
intercalation
deintercalation
within
component.
Correspondingly,
as‐prepared
catalyst
exhibits
remarkable
activity
lower
onset‐potential
(45
mV,
adsorption
accumulation)
smaller
Tafel
slope
(50
mV
dec
−1
,
desorption),
nearly
11.1‐
3.5‐fold
enhancement
than
those
counterpart.
It
believed
that
work
interesting
visualization
functionality
into
may
improve
readability
advance
exploration
intelligent
electrocatalysts.
Язык: Английский
Boosting surface reconstruction in engineered nickel sites through selenium vacancies to enhance urea oxidation reaction
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Selenium
vacancies
in
the
Se
vac
@NiSe-NS
catalyst
promote
surface
reconstruction
for
enhanced
urea
oxidation
reaction.
Язык: Английский